Which ancient civilization is known for having government officials who collected detailed market research data, recording price fluctuations and consumer preferences to prevent social unrest?

Before modern analytics and surveys, ancient civilizations had their own methods of gathering customer feedback and understanding market trends. Their approaches to commerce and trade required sophisticated understanding of consumer preferences, even without our modern tools. This poll explores how ancient merchants and rulers collected information about what their 'customers' wanted and needed. Test your knowledge about these fascinating early examples of market research!

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Ancient Rome with their 'praefectus annonae' who monitored grain markets and public sentiment
Ancient Egypt, where pharaohs had scribes record harvest yields and public reactions to resource distribution
Aztec Empire, where marketplace supervisors called 'tianquiztli' reported trading patterns to the emperor
Ancient China, where Han Dynasty officials conducted regular censuses that included consumer spending habits